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From: Dan Pelleg <daniel+bsd@pelleg.org>
Date: 18 Apr 2003 08:26:17 -0400
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Subject: Re: usb cf reader
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Bernd Walter <ticso@cicely9.cicely.de> writes:

> On Fri, Apr 18, 2003 at 09:59:45AM +0200, Riccardo Torrini wrote:
> > On Fri, Apr 18, 2003 at 02:24:48AM +0200, Bernd Walter wrote:
> > 
> > >> # ls -ln /dev/da0*
> > >> crw-r-----  1 0  5    4,  20 Apr 17 20:09 /dev/da0
> > >> 
> > >> # mount -tmsdos /dev/da0 /dist
> > >> msdosfs: /dev/da0: Invalid argument
> > 
> > > msdosfs usually lives on slices.
> > 
> > I know that, but DEVFS create _only_ /dev/da0  :-(
> 
> That doesn't mean anything as devicenodes can be created on demand.
> 
> > Apr 17 20:21:52 trudy kernel: umass0: DataFab Systems Inc. USB CF, rev 1.10/3.06, addr 2
> > Apr 17 20:21:55 trudy kernel: da0 at umass-sim0 bus 0 target 0 lun 0
> > Apr 17 20:21:55 trudy kernel: da0: <OEI-Link Media Reader 3.06> Removable Direct Access SCSI-0 device 
> > Apr 17 20:21:55 trudy kernel: da0: 1.000MB/s transfers
> > Apr 17 20:21:55 trudy kernel: da0: 15MB (31488 512 byte sectors: 64H 32S/T 15C)
> > (going to sleep...)
> > -----8<-----
> 
> That probing worked so far was clear.
> What I need is to know why fdisk and dd failed.
> Do you get any kernel message with fdisk da0?
> 

Just in case it might help, have a look at:

http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/50633

FWIW I found that a script that:
- sleeps 5 seconds
- if /dev/da0s1 doesn't exist, tries to mount /dev/da0  (and always fails)
- mounts /dev/da0s1

works, if I hook it to usbd.


-- 

  Dan Pelleg